Saw horse



FIG. 1 is a side perspective view of our design;

FIG. 2 is a front perspective view of our design;

FIG. 3. is a back perspective view of our design;

FIG. 4 is a left side perspective view of our design;

FIG. 5 is a right side perspective view of our design;

FIG. 6 is a top plan view of our design; and,

FIG. 7 is a bottom plan view of our design. 

The ornamental design for a saw horse, as shown and described. 